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题名:
One-pot synthesis of high-index faceted AgCl nanocrystals with trapezohedral, concave hexoctahedral structures and their photocatalytic activity
作者: Zhang, Haibin1,2; Lu, Yonggang1; Liu, Hong1; Fang, Jingzhong1,2
刊名: NANOSCALE
出版日期: 2015
卷号: 7, 期号:27, 页码:11591-11601
文章类型: Article
英文摘要: AgCl semiconductor nanocrystals (NCs) with trapezohedral (TPH) and concave hexoctahedral (HOH) structures have been successfully synthesized for the first time in high yield by a direct one-pot solvothermal method. The as-prepared TPH, concave HOH AgCl NCs with unconventional polyhedral shapes and smooth surfaces were enclosed by 24 high-index {311} facets and 48 high-index {15 5 2} facets, respectively. A specific ionic liquid poly(diallyldimethylammonium) chloride (PDDA) acted as both a Clion precursor and a morphology-controlled stabilizer, which was indispensable for the formation of these high-index faceted AgCl polyhedra and the derived uniform octahedral AgCl in an appropriate concentration of hot AgNO3 and ethylene glycol (EG) solution. With high-index facets exposed, both TPH and concave HOH AgCl NCs exhibit much higher photocatalytic activity than octahedral AgCl NCs that have mainly {111} faces exposed, with lower surface areas and surface energies, for the degradation of organics under sunlight. It is expected that the use of polyhedral AgCl NCs with high-index facets is an effective approach for the design of alternative semiconductor photocatalysts with a high performance, which may find potential applications such as in photochromics and environmental management.
WOS标题词: Science & Technology ; Physical Sciences ; Technology
类目[WOS]: Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
研究领域[WOS]: Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
关键词[WOS]: VISIBLE-LIGHT ; PLATINUM NANOCRYSTALS ; TIO2 ; EFFICIENT ; METAL ; SEMICONDUCTOR ; PERFORMANCE ; SURFACES ; GROWTH
收录类别: SCI
语种: 英语
WOS记录号: WOS:000357399600014
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3228
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, Lightweight Opt & Adv Mat Ctr, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Key Lab Opt Engn, Chengdu 610209, Peoples R China

Recommended Citation:
Zhang, Haibin,Lu, Yonggang,Liu, Hong,et al. One-pot synthesis of high-index faceted AgCl nanocrystals with trapezohedral, concave hexoctahedral structures and their photocatalytic activity[J]. NANOSCALE,2015,7(27):11591-11601.
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